One vertex per element, one color per generator, with an edge from x to x·s.
(5,6,9,10)(7,11,8,12)(13,14)(15,24)(16,29)(17,22)(18,21)(19,27)(20,32)(23,33)(25,37)(26,39)(28,36)(30,35)(31,40)(34,38)(41,42)(43,44)(1,2)(3,4)(6,10)(11,12)(13,15)(14,19)(16,30)(17,27)(18,26)(20,37)(21,36)(22,24)(23,39)(25,34)(28,33)(29,41)(31,42)(32,43)(35,40)(38,44) involution — undirected(13,16,17,31)(14,20,22,38)(15,25,27,43)(18,34,33,32)(19,35,24,41)(21,29,23,40)(26,42,28,30)(36,37,39,44)(2,4)(5,7,9,8)(6,11,10,12)(14,21)(15,26)(18,33)(20,29)(22,23)(25,42)(27,28)(30,43)(32,34)(36,39)(37,44)(38,40)(5,8,9,7)(6,11,10,12)(14,22)(16,31)(19,24)(21,23)(25,43)(30,42)(32,34)(36,39)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.